500 Internal Server Error

Technical details:
Error: uncaught exception - 
'esu_objectlisting' entity doesn't contain attribute with Name = '@descending @icase ma_con_enquiry_organisation_name' and NameMapping = 'Logical'. MetadataCacheDetails: ProviderType=Dynamic, StandardCache=True, IsLoadedInStagedContext = False, Timestamp=39309494, MinActiveRowVersion=39309494